C31232233133313221211113313331333133313332321333131133131112121
>>
C3123223313331322121111331333133313331333232133313113313111212
<<
C31232233133313221211113313331333133313332321333131133131112123
>>
C31232233133313221211113313331333133313332321333131133131112122
>>